#include "StdAfx.h"
#include "resource.h"       // 主符号
#include "itemfocusrect.h"

namespace NItem
{

CItemFocusRect::CItemFocusRect(CSigmaDoc * ppDoc)
: CItem(ppDoc)
, m_bShiftDown(FALSE)
, m_nDrawMode(0)
{
}

CItemFocusRect::~CItemFocusRect(void)
{
}

void CItemFocusRect::DrawMode(CDC *pDC, CRect8* pRect)
{
	if(m_nDrawMode<0) return;

	int old= pDC->SetROP2(R2_MASKPENNOT|R2_MASKNOTPEN);
	CRect rt=GetDC()->GetScreen(*pRect); //rt.NormalizeRect();
	switch(m_nDrawMode)
	{
	default:
	case 0:
		if ((rt.Width() == 0) && (rt.Height() == 0))
		{

		}
		else
		{
			//CString strMsg;
			//strMsg.Format(_T("当前为：%d X %d %d %d\n"), rt.left, rt.top, rt.right, rt.bottom);
			//TRACE(strMsg);
			pDC->DrawFocusRect(rt);
			{
				CPen pen(PS_DOT, 1, RGB(0, 0, 0));
				CPen* pOldPen = (CPen*)pDC->SelectObject(&pen);
				CPoint pt = rt.CenterPoint();
				pDC->MoveTo(pt.x, rt.top);
				pDC->LineTo(pt.x, rt.bottom);
				pDC->MoveTo(rt.left, pt.y);
				pDC->LineTo(rt.right, pt.y);
				pDC->SelectObject(pOldPen);
			}
		}
	break;
	case 1:
		GetDC()->MoveTo(c_down);
		GetDC()->LineTo(c_last);
		break;
	case 2:
		{
			CGdiObject* pob= pDC->SelectStockObject(NULL_BRUSH);
			pDC->Rectangle(&rt);
			pDC->SelectObject(pob);
		}
		break;
	}
	pDC->SetROP2(old);
}

void CItemFocusRect::OnLButtonDown(CDC *pDC, UINT nFlags, CPoint point, int vk)
{
	CPoint2D dp = GetDC()->GetReal(point);

	c_down = dp;
	c_last = dp;

	//m_bShiftDown=(nFlags&MK_SHIFT) ? TRUE:FALSE;
	m_bShiftDown = ::IsKeyDown(VK_SHIFT)|| vk == VK_SHIFT;
	//CRect8 rect=GetRect();
	//m_oldRect=GetDC()->GetScreen(rect);
	//DrawMode(&rect);
	//DoDrawOther(1);
	//m_IsFocusing == TRUE;
	CRect8 rect = GetRect();
	DrawMode(pDC, &rect);
	//GetView()->SetCapture();
	TRACE("mouse move:down pt.x=%f, y=%f\n", c_down.x0, c_down.y0);
}

int CItemFocusRect::OnMouseMove(CDC *pDC, UINT nFlags, CPoint point)
{
	//if(!IsCaptureState()) return;
	CPoint2D dp = GetDC()->GetReal(point);
	CRect8 rect = GetRect();
	//if (m_IsFocusBegin == TRUE)
	//{
	//	c_last = dp;
	//	rect = GetRect();
	//	DrawMode(pDC, &rect);
	//	DoDrawOther(2);
	//	m_oldRect = GetDC()->GetScreen(rect);		
	//	m_IsFocusBegin = FALSE;
	//	return;
	//}
	//if (m_IsFocusing == TRUE) {
		//TRACE("CItemFocusRect::OnMouseMove:before c_down.x=%f, y=%f--last pt.x=%f, y=%f\n", c_down.x0, c_down.y0, c_last.x0, c_last.y0);
		DrawMode(pDC, &rect);
		DoDrawOther(pDC, 2);
	//}
	
	c_last = dp;
	//m_bShiftDown = (nFlags&MK_SHIFT) ? TRUE : FALSE;
	m_bShiftDown = ::IsKeyDown(VK_SHIFT);

	rect = GetRect();
	DrawMode(pDC, &rect);
	DoDrawOther(pDC, 2);
	m_oldRect = GetDC()->GetScreen(rect);
	//m_IsFocusing = TRUE;
	return 1;
}

void CItemFocusRect::OnLButtonUp(CDC *pDC, UINT nFlags, CPoint point, int vk)
{
	CRect8 rect = GetRect();
	if (pDC != NULL)
	{
		DrawMode(pDC, &rect);
		//DoDrawOther(pDC, 3);
		//ReleaseCapture();

		if (rect.IsEmpty()) return;
		DoLButtonUp(pDC);
		//m_IsFocusing = FALSE;
	}	
}

BOOL CItemFocusRect::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags)
{
	if (nChar == VK_ESCAPE)
	{ 
		CRect8 rect = GetRect();
		if (m_pScreenDC)
		{
			DrawMode(m_pScreenDC, &rect);
			DoDrawOther(m_pScreenDC, 3);
		}
	}
	//	if(IsCaptureState())
	//	{
	//		CRect8 rect=GetRect();
	//		DrawMode(&rect);
	//		DoDrawOther(3);
	//		ReleaseCapture();
	//		return TRUE;
	//	}

	return FALSE;
}

CRect8 CItemFocusRect::GetRect(void)
{
	CRect8 rect(c_down.x0, c_down.y0, c_last.x0, c_last.y0);
	if(m_bShiftDown)
	{
		int sf=1;
		if(c_last.x0>c_down.x0)
		{
			if(c_last.y0<c_down.y0)
				sf=-1;
		}
		else if(c_last.y0>c_down.y0)
			sf=-1;
		rect.bottom=rect.top+rect.Width()*sf;
	}
	rect.NormalizeRect();
	return rect;
}

BOOL CItemFocusRect::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
{
	return TRUE;
	//GetDoc()->GetCursor().SetCursor(CursorRange);
	//return GetDoc()->GetCursor().SetCursor();
}

void CItemFocusRect::DoDrawOther(CDC* pDC, int nButton)
{
	
	//CString info;
	//switch(nButton)
	//{
	//case 1:	//左键DOWN
	//case 2:	//鼠标移动
	//	info.Format(IDS_STRING_OBJECT_WIDTH_AND_HEIGHT,c_last.x0-c_down.x0,c_last.y0-c_down.y0);
	//	break;
	//default:
	//case 3:	//左键UP
	//	info.LoadString(AFX_IDS_IDLEMESSAGE);
	//	break;
	//}
	//m_pDoc->SetStatusBarInfo(0,info);
	
}

void CItemFocusRect::DoLButtonUp(CDC *pDC)
{
}


}//namespace